Device Animations Back to the Sensors page. Chemiresistor Combustible Gas Sensor FET-Based Hydrogen Sensor Polychromator FET-Based Radiation Sensor SAW Based Chemical Sensors Ion Mobility Spectrometry (IMS) Gas Chromatography (GC) Column Preconcentrator Shear Horizontal Surface Acoustic Wave (SH-SAW) Surface Acoustic Wave (SAW) Detector